react实现pure render时bind(this)隐患需注意!

export default class extends Component {
...
 render() {
  const {name,age} =this.state;
  return (
   <div>
    <Person name={name} age={age} onClick={this._handleClick.bind(this)}></Person>//bug 所在
   </div>
  )
 }
...
}

export default class extends Component {
 constructor(props){
  super(props)
  this._handleClick=this._handleClick.bind(this)//改成这样
 }
 render() {
  const {name,age} =this.state;
  return (
   <div>
    <Person name={name} age={age} onClick={this._handleClick}></Person>
   </div>
  )
 }
...
}